michelle obama attended the funeral of hadiya pendleton who was shot to death near her school days after marching in the presidential inaugural parade and pendleton's parents joined mrs. obama as her guest at the state of the union speech last week. president obama returned to his hometown last week to stress the need for action on gun violence. >> last year there were 443 murders with a firearm on the streets of this city. and 65 of those victims were 18 and under. so that's the equivalent of a newtown every four months. >> ifill: in fact, just hours after the president spoke, 18-year-old janay mcfarland was shot and killed in chicago. her 14-year-old sister destiny warren had attendd the president's speech. the fallout from gun violence has extended to politics, as chicago moves toward next week's special election to fill the congressional seat vacated by jesse jackson jr. >> in the race... fill: a gun-control group financed by new york mayor michael bloomberg has spent more than a million dollars on ads attacking candidates there supported by the national rifle association. another gr